Kerio Personal Firewall (KPF) is a software agent that builds a barrier between your personal computer and the Internet. KPF is designed to protect your PC against attacks from both the Internet, and other computers in the local network.

Agnitum Outpost is the first personal firewall for Windows developed with Open Architecture. The Open Development Process proved its efficiency with the development of the Internet and with Linux. No company can be as fast, flexible and innovative at enhancing a closed product as thousands of developers from different countries all working on an open one. Free for now. Note: The current release is a "Release Candidate 1".